Simplify each term.

Combine and .

Divide by .

Multiply by .

Multiply by .

Multiply by .

Combine and .

Divide by .

Multiply by .

Subtract from .

Add to both sides of the equation.

Divide each term in by .

Cancel the common factor of .

Divide by .

Solve for b 45*(1/2*3.2)-25*9.81*b-35*9.81*(1/2*3.2)=0